Rare Liver Cancer Linked To Service In Vietnam07:33

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Mike Baughman sits for a photo at his home in Danville, Calif., on Tuesday, Aug. 2, 2016. The 64-year-old is among hundreds of veterans who have been diagnosed with cholangiocarcinoma, a rare form of bile duct cancer that may be linked to their time in the service and an unexpected source: parasites in raw or poorly cooked river fish. (Ben Margot/AP)

It's been more than 40 years since the end of the Vietnam War, but some veterans are just now getting a rare cancer related to their time overseas. And many find themselves not just fighting cancer, but also fighting the government for benefits.